I'm 53 years old, so it is definitely not homework. I am the metrology engineer at my lab, based on my military background and a lot of metrology knowledge. But unfortunately, not the engineering degree.
No, I don't expect a straight line. Matter of fact, it is a slightly irregular upward...
Thanks for the inputs. I ended up (for the moment - due to the deadline) finding and using CurveExpert.exe V1.4. I still have a fairly complex workbook, as I have to generate tables. It is an industry practice in such cases to make three measurements (or so), as this is the extent of valid...
I'm working on emf output of thermocouple calculations, and need to develop a 3rd order polynomial regression curve. For example, I make measurements at 419.527, 660.323 and 1084.62 Degrees Celsius and measure the mV output of the type R thermocouple. The nominal values are 3.61123, 6.276875...
